Optical Sensors: Working Principles

Optical sensors detect light waves to measure physical properties or environmental changes. They convert photons into electrical signals, enabling precise data capture across industries. Common types include photodiodes, phototransistors, and fiber-optic sensors.

How Do Optical Sensors Function?

These devices rely on light emission and reception. A light source, like an LED, sends beams; the sensor analyzes reflected or transmitted light to determine parameters such as distance, presence, or color.

Key Applications of Optical Sensors

From automation to healthcare, optical sensors are vital. They enhance robotics, enable touchscreens, monitor medical diagnostics, and improve automotive safety systems like LiDAR.

FAQs: Common Questions

What is an optical sensor used for? It detects light for tasks like object detection or quality control.

Are they durable? Yes, with proper sealing against environmental factors.

For a deeper dive, explore this detailed resource on optical sensor technology.

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